import { initEmojiMock, clearEmojiMock } from 'helpers/emoji'; import waitForPromises from 'helpers/wait_for_promises'; import installGlEmojiElement from '~/behaviors/gl_emoji'; import { EMOJI_VERSION } from '~/emoji'; import * as EmojiUnicodeSupport from '~/emoji/support'; jest.mock('~/emoji/support'); describe('gl_emoji', () => { const emojiData = { grey_question: { c: 'symbols', e: '❔', d: 'white question mark ornament', u: '6.0', }, bomb: { c: 'objects', e: '💣', d: 'bomb', u: '6.0', }, }; beforeAll(() => { jest.spyOn(EmojiUnicodeSupport, 'default').mockReturnValue(true); installGlEmojiElement(); }); function markupToDomElement(markup) { const div = document.createElement('div'); div.innerHTML = markup; document.body.appendChild(div); return div.firstElementChild; } beforeEach(async () => { await initEmojiMock(emojiData); }); afterEach(() => { clearEmojiMock(); document.body.innerHTML = ''; }); describe.each([ [ 'bomb emoji just with name attribute', '', '💣', `:bomb:`, ], [ 'bomb emoji with name attribute and unicode version', '💣', '💣', `:bomb:`, ], [ 'bomb emoji with sprite fallback', '', '💣', '💣', ], [ 'bomb emoji with image fallback', '', '💣', ':bomb:', ], [ 'invalid emoji', '', '', `:grey_question:`, ], [ 'custom emoji with image fallback', '', ':party-parrot:', ':party-parrot:', ], ])('%s', (name, markup, withEmojiSupport, withoutEmojiSupport) => { it(`renders correctly with emoji support`, async () => { jest.spyOn(EmojiUnicodeSupport, 'default').mockReturnValue(true); const glEmojiElement = markupToDomElement(markup); await waitForPromises(); expect(glEmojiElement.outerHTML).toBe(withEmojiSupport); }); it(`renders correctly without emoji support`, async () => { jest.spyOn(EmojiUnicodeSupport, 'default').mockReturnValue(false); const glEmojiElement = markupToDomElement(markup); await waitForPromises(); expect(glEmojiElement.outerHTML).toBe(withoutEmojiSupport); }); }); it('escapes gl-emoji name', async () => { const glEmojiElement = markupToDomElement( "abc", ); await waitForPromises(); expect(glEmojiElement.outerHTML).toBe( ':"x="y" onload="alert(document.location.href)":', ); }); it('Adds sprite CSS if emojis are not supported', async () => { const testPath = '/test-path.css'; jest.spyOn(EmojiUnicodeSupport, 'default').mockReturnValue(false); window.gon.emoji_sprites_css_path = testPath; expect(document.head.querySelector(`link[href="${testPath}"]`)).toBe(null); expect(window.gon.emoji_sprites_css_added).toBe(undefined); markupToDomElement( '', ); await waitForPromises(); expect(document.head.querySelector(`link[href="${testPath}"]`).outerHTML).toBe( '', ); expect(window.gon.emoji_sprites_css_added).toBe(true); }); });